starter Set 82 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [12, 15] → [2, _, _]

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Answer: Row3[2]=10, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [12,15]
  • [2,10,5]
Base
  • 2
  • 10
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [6, 5, 1]

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Answer: Row1[1]=17, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [11,6]
  • [6,5,1]
Base
  • 6
  • 5
  • 1
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, _] → [6, _, 6]

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Answer: Row2[2]=15, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [6,9,6]
Base
  • 6
  • 9
  • 6
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [3, _] → [2, 1, _]

Show answer

Answer: Row2[2]=10, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [3,10]
  • [2,1,9]
Base
  • 2
  • 1
  • 9
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":2,"v":9}